1 #######################################################################
2 # Process this file wth autoconf to produce a configure script.
3 #######################################################################
6 AC_INIT(gromacs, 4.0.99_development_20090927, [gmx-users@gromacs.org])
7 AC_CONFIG_SRCDIR(src/gmxlib/3dview.c)
8 AC_CONFIG_AUX_DIR(config)
11 AM_INIT_AUTOMAKE(tar-ustar)
12 AC_PREFIX_DEFAULT(/usr/local/gromacs)
14 AM_CONFIG_HEADER(src/config.h)
15 dnl This is the version info according to the libtool versioning system.
16 dnl It does *not* correspond to the release number.
17 SHARED_VERSION_INFO="5:0:0"
18 AC_SUBST(SHARED_VERSION_INFO)
23 #######################################################################
24 # Simple options and makefile variables
25 #######################################################################
30 [AC_HELP_STRING([--disable-float],
31 [Use double instead of single precision])],, enable_float=yes)
34 [AC_HELP_STRING([--enable-double],
35 [Same effect as --disable-float])],, enable_double=no)
36 if test "$enable_double" = "yes"; then
39 if test "$enable_float" = "no"; then
40 AC_DEFINE(GMX_DOUBLE,,[Compile in double precision])
42 AM_CONDITIONAL([GMX_DOUBLE],[test "$enable_float" = "no"])
47 AC_ARG_ENABLE(fortran,
48 [AC_HELP_STRING([--enable-fortran],
49 [Use Fortran kernels])],,
50 [case "${host_cpu}-${host_os}" in
51 sparc*-solaris* | alpha*-* | rs6000*-aix* | powerpc*-aix* | mips*-irix*) enable_fortran=yes ;;
52 *) enable_fortran=no ;;
54 if test "$enable_fortran" = "yes"; then
55 AC_DEFINE(GMX_FORTRAN,,[Enable Fortran support])
57 # Generic fortran kernels will be turned off below if you enable power6-specific optimization!
58 # always use CC for linking:
59 AC_SUBST(F77LINK,"\$(LINK)")
67 [AC_HELP_STRING([--enable-mpi],
68 [Compile for parallel runs using MPI])],,enable_mpi=no)
72 AC_ARG_ENABLE(mpi-environment,
73 [AC_HELP_STRING([--enable-mpi-environment=VAR],
74 [Only start parallel runs when VAR is set])],,
75 [case "${host_cpu}" in
76 mips*-irix*) enable_mpi_environment="MPI_ENVIRONMENT" ;;
77 *) enable_mpi_environment=no ;;
79 if test "$enable_mpi_environment" != "no"; then
80 AC_DEFINE_UNQUOTED(GMX_CHECK_MPI_ENV,"$enable_mpi_environment",[If defined, only start MPI runs when this variable is set])
84 AC_ARG_ENABLE(mpi-in-place,
85 [AC_HELP_STRING([--disable-mpi-in-place],
86 [Disable MPI_IN_PLACE. For MPI implementations that have broken support for it (some versions of MPICH, for example).])],, enable_mpi_in_place=yes)
91 [AC_HELP_STRING([--enable-debug],
92 [Add -g to other command line arguments])],,enable_debug=no)
94 ### IA32 assembly code
95 AC_ARG_ENABLE(ia32_sse,
96 [AC_HELP_STRING([--disable-ia32-sse],
97 [Don't build SSE/SSE2 assembly loops on ia32])],,enable_ia32_sse=yes)
99 case "${host_cpu}-${host_vendor}" in
101 *) enable_ia32_sse=no ;;
104 ### AMD64 assembly code
105 AC_ARG_ENABLE(x86_64_sse,
106 [AC_HELP_STRING([--disable-x86-64-sse],
107 [Don't build SSE assembly loops on X86_64])],,enable_x86_64_sse=yes)
108 case "${host_cpu}-${host_vendor}" in
109 x86_64-* | amd64-*) ;;
111 *) enable_x86_64_sse=no ;;
115 ### Altivec on powerpc (motorola)
116 AC_ARG_ENABLE(ppc_altivec,
117 [AC_HELP_STRING([--disable-ppc-altivec],
118 [Don't build Altivec loops on PowerPC])],,enable_ppc_altivec=undef)
119 # Power3/4/5 running AIX does not support altivec. We identify this with vendor=IBM.
120 # IBM powerpc 970 boxes run linux, and have vendor=unknown.
121 if test "$enable_ppc_altivec" = "undef"; then
122 case "${host_cpu}-${host_vendor}" in
123 ppc*-ibm* | powerpc*-ibm*) enable_ppc_altivec=no ;;
124 ppc*-* | powerpc*-*) enable_ppc_altivec=yes ;;
125 *) enable_ppc_altivec=no ;;
131 ### ia64 assembly code
132 AC_ARG_ENABLE(ia64_asm,
133 [AC_HELP_STRING([--disable-ia64-asm],
134 [Don't build assembly loops on ia64])],,enable_ia64_asm=yes)
135 case "${host_cpu}" in
137 *) enable_ia64_asm=no ;;
141 # IBM Power6-specific optimization
142 AC_ARG_ENABLE(power6,
143 [AC_HELP_STRING([--enable-power6],
144 [Use IBM Pwr6/PPC440/PPC450-specific F77 kernels])],,enable_power6=no)
145 # Turn off generic fortran loops if we are using power6-specific optimization
146 if test "$enable_power6" = "yes"; then
150 AC_ARG_ENABLE(bluegene,
151 [AC_HELP_STRING([--enable-bluegene],
152 [Build assembly intrinsics kernels on bluegene])],,enable_bluegene=no)
155 ### Optimize for host cpu version
156 AC_ARG_ENABLE(cpu-optimization,
157 [AC_HELP_STRING([--disable-cpu-optimization],
158 [No detection or tuning flags for cpu version])],, enable_cpu_optimization=yes)
161 ### Do software 1/sqrt(x)
162 AC_ARG_ENABLE(software-invsqrt,
163 [AC_HELP_STRING([--disable-software-invsqrt],
164 [No software 1/sqrt (disabled on sgi,ibm,ia64)])],,
165 [case "${host_cpu}-${host_os}" in
166 mips*-irix* | rs6000*-aix* | powerpc*-aix | ia64*-*) enable_software_invsqrt=no ;;
167 *) enable_software_invsqrt=yes ;;
169 if test "$enable_software_invsqrt" = "yes"; then
170 AC_DEFINE(GMX_SOFTWARE_INVSQRT,,[Use the GROMACS software 1/sqrt(x)])
172 AM_CONDITIONAL([GMX_SOFTWARE_INVSQRT],[test "$enable_software_invsqrt" = "yes"])
174 AC_ARG_ENABLE(fahcore,
175 [AC_HELP_STRING([--enable-fahcore],
176 [Create a library with mdrun functionality])],, enable_fahcore=no)
180 # The four options below used to improve code scheduling, but the newest CPUs can usually rearrange
181 # instructions dynamically at runtime, so they might not make much difference now:
184 AC_ARG_ENABLE(all-static,
185 [AC_HELP_STRING([--enable-all-static],
186 [Make completely static binaries])],, enable_all_static=no)
187 # Dont add the -all-static flag until after the compiler test.
190 # FFT libraries - only use one...
192 [AC_HELP_STRING([--with-fft=@<:@fftw3/fftw2/mkl(>=6.0)/fftpack@:>@],
193 [FFT library to use. fftw3 is default, fftpack built in.])],,
196 AC_ARG_ENABLE(fftw-measure,
197 [AC_HELP_STRING([--disable-fftw-measure],
198 [Dont optimize FFTs. This produces binary exactly]
199 [reproducible runs (as the -reprod flag to mdrun),]
200 [and if you are using FFTW on x86 and specified its]
201 [--enable-sse/sse2 flag (NOT default in FFTW!) the]
202 [kernels used are close-to-optimal anyway.])],,
203 enable_fftw_measure=yes)
206 AC_ARG_ENABLE(threads,
207 [AC_HELP_STRING([--enable-threads],
208 [Compile for parallel runs using threads])],,enable_threads=no)
210 # if test "$enable_threads" = "yes"; then
211 # with_threads=pthreads;
215 ### Use external BLAS/LAPACK libraries if the user wants to.
217 AC_ARG_WITH(external_blas,
218 [AC_HELP_STRING([--with-external-blas],
219 [Use system BLAS library (add to LIBS). Automatic on OS X.])],,
221 # default action - check if we are on OS X
222 case "${host_vendor}-${host_os}" in
223 apple-darwin*) with_external_blas="yes" ; extra_LDFLAGS="-framework Accelerate" ;;
224 *) with_external_blas="no" ;;
227 AM_CONDITIONAL([GMX_EXTERNAL_BLAS], [test "$with_external_blas" = "yes"])
230 AC_ARG_WITH(external_lapack,
231 [AC_HELP_STRING([--with-external-lapack],
232 [Use system LAPACK library (add to LIBS). Automatic on OS X.])],,
234 # default action - check if we are on OS X
235 case "${host_vendor}-${host_os}" in
236 apple-darwin*) with_external_lapack="yes" ; extra_LDFLAGS="-framework Accelerate" ;;
237 *) with_external_lapack="no" ;;
240 AM_CONDITIONAL([GMX_EXTERNAL_LAPACK], [test "$with_external_lapack" = "yes"])
245 AC_ARG_WITH(qmmm_gaussian,
246 [AC_HELP_STRING([--without-qmmm-gaussian],
247 [Use modified Gaussian0x for QM-MM (see website)])],,with_qmmm_gaussian=yes)
248 if test "$with_qmmm_gaussian" = "yes"; then
249 AC_DEFINE(GMX_QMMM_GAUSSIAN,,[Use (modified) Gaussian0x for QM-MM calculations])
253 AC_ARG_WITH(qmmm_gamess,
254 [AC_HELP_STRING([--without-qmmm-gamess],
255 [Use modified Gamess-UK for QM-MM (see website)])],,with_qmmm_gamess=no)
256 if test "$with_qmmm_gamess" = "yes"; then
257 AC_DEFINE(GMX_QMMM_GAMESS,,[Use (modified) Gamess-UK for QM-MM calculations])
261 AC_ARG_WITH(qmmm_mopac,
262 [AC_HELP_STRING([--without-qmmm-mopac],
263 [Use modified Mopac 7 for QM-MM (see website)])],,with_qmmm_mopac=no)
264 if test "$with_qmmm_mopac" = "yes"; then
265 AC_DEFINE(GMX_QMMM_MOPAC,,[Use (modified) Mopac 7 for QM-MM calculations])
269 [ --without-dlopen do not compile with dlopen, needed to read VMD supported file formats],,with_dlopen=yes)
275 ############################################################
276 # Add some debug info: Who is building, and on what machine?
277 ############################################################
278 AC_DEFINE_UNQUOTED([BUILD_TIME],["`date`"],[Date and time for build])
279 AC_DEFINE_UNQUOTED([BUILD_USER],["`whoami`@`hostname`"],[User doing build])
280 AC_DEFINE_UNQUOTED([BUILD_MACHINE],["`uname -srm`"],[Hardware and OS version for build host])
284 ############################################################
285 # Checks for programs
286 ############################################################
288 # normally we use the default compiler, but on alpha/linux we try the compaq ones first
289 case "${host_cpu}-${host_os}" in
291 cc_names="ccc cc gcc"
292 f77_names="fort f77 g77"
295 cc_names="cc icc xlc gcc"
296 f77_names="f77 ifort xlf xlf77 cf77 fl32 g77 fort77 f90 xlf90 pgf77 cf77 fort fort77 pgf90"
299 # the (non-mpi) c compiler, which is also used for programs executed during build stage
300 AC_PROG_CC( $cc_names )
301 # Check for environment variable CC_FOR_BUILD before overwriting it
302 if test -z "$CC_FOR_BUILD"; then
305 AC_SUBST(CC_FOR_BUILD)
307 if test "$enable_fortran" = "yes"; then
308 AC_PROG_F77( $f77_names )
309 if test -z "$F77"; then
310 AC_MSG_ERROR([No fortran compiler found])
316 # if we are using mpi, also get an MPICC. We cannot set that in the PROG_CC macro
317 # above, since autoconf checks that the created file can be executed. This would
318 # fail on platforms where MPI executables can only be run through a batchqueue.
320 if test "$enable_mpi" = "yes"; then
321 AC_CHECK_PROGS(MPICC, mpxlc mpicc mpcc hcc, $CC)
322 # now change the normal cc to the MPI one - see the comment above.
325 AC_MSG_CHECKING([whether the MPI cc command works]) # be paranoid
326 AC_TRY_LINK([#include <mpi.h>],[int argc; char **argv; MPI_Init(&argc,&argv);],
327 AC_MSG_RESULT([yes]),AC_MSG_ERROR([Cannot compile and link MPI code with $CC]))
328 AC_DEFINE(GMX_MPI,,[Make a parallel version of GROMACS using MPI])
329 AC_DEFINE(GMX_LIB_MPI,,[Use a real MPI library])
331 if test "$enable_mpi_in_place" = "yes"; then
332 # not all MPIs support MPI_IN_PLACE:
333 AC_MSG_CHECKING([for MPI_IN_PLACE in collective operations])
339 MPI_Allreduce(MPI_IN_PLACE, buf, 10, MPI_FLOAT, MPI_SUM, MPI_COMM_WORLD);
343 AC_DEFINE(MPI_IN_PLACE_EXISTS,[],[MPI_IN_PLACE available for collective operations])
349 # on the cray xt3 we have to tell autoconf that we
350 # are actually cross-compiling even if the architecture
351 # of host and target are the same. so we enforce
352 # cross-compilation if __QK_USER__ is defined
353 AC_MSG_CHECKING([for catamount])
355 #if defined __QK_USER__
362 AC_DEFINE(GMX_CRAY_XT3,[],[Enable special hacks for Cray XT3])
363 AC_DEFINE(GMX_NO_SYSTEM,[],[Ignore calls to system(3)])
364 AC_DEFINE(GMX_NO_NICE,[],[Ignore calls to nice(3)])
365 AC_DEFINE(GMX_BROKEN_CALLOC,[],[Don't use calloc(3)])
366 extra_LDFLAGS="$extra_LDFLAGS -lgmalloc -lacml"
370 # end of "$enable_mpi" = "yes"
374 AH_TEMPLATE([F77_OR_C_FUNC],
375 [Set to F77_FUNC(name,NAME) if Fortran used, otherwise 'name' for C.])
376 AH_TEMPLATE([F77_OR_C_FUNC_],
377 [Set to F77_FUNC_(name,NAME) if Fortran used, otherwise 'name' for C.])
381 if test "$enable_fortran" = "yes"; then
382 AC_F77_LIBRARY_LDFLAGS
384 AC_DEFINE([F77_OR_C_FUNC(name,NAME)],[F77_FUNC(name,NAME)])
385 AC_DEFINE([F77_OR_C_FUNC_(name,NAME)],[F77_FUNC_(name,NAME)])
387 AC_DEFINE([F77_OR_C_FUNC(name,NAME)],[name])
388 AC_DEFINE([F77_OR_C_FUNC_(name,NAME)],[name])
394 # Needed by libtool scripts?
397 if test "$enable_cpu_optimization" = "yes"; then
405 # We've postponed the threads check because we need to check with the right
407 if test "$enable_threads" = "yes"; then
408 if test "$enable_mpi" = "yes"; then
409 AC_MSG_ERROR([Cannot use both threads and MPI - yet.])
411 if test "$with_fft" = "fftw2"; then
412 AC_MSG_ERROR([fftw2 can't be used with threads. Use fftw3 or mkl.])
414 # for now we just assume pthreads
415 ACX_PTHREAD(,AC_MSG_ERROR([Cannot find POSIX threads - required for thread support using configure!]))
416 LIBS="$PTHREAD_LIBS $LIBS"
417 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
418 CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS"
420 AC_DEFINE(THREAD_PTHREADS,,[Use pthreads for thread_mpi multithreading])
421 AC_DEFINE(GMX_THREADS,,[Use threads for parallelization])
422 AC_DEFINE(GMX_MPI,,[Make a parallel version of GROMACS using MPI])
423 AM_CONDITIONAL(THREAD_PARALLEL,true)
425 AM_CONDITIONAL(THREAD_PARALLEL,false)
431 # Check integer endian
433 AC_C_BIGENDIAN([AC_DEFINE([GMX_INTEGER_BIG_ENDIAN],,[Integer byte order is big endian.])],[],[
434 AC_MSG_ERROR([Cannot determine endian in compiled output])])
435 # Little endian implied if GMX_INTEGER_BIG_ENDIAN not defined in source.
438 # Make sure size_t can hold pointers.
439 # On some Nec machines, you reportedly need to specify a flag for size_t to be 64 bits wide.
441 AC_MSG_CHECKING([that size_t can hold pointers])
445 ],[int chk[sizeof(size_t)-sizeof(int *)+1];],AC_MSG_RESULT([yes]),[
446 AC_MSG_ERROR([size_t is smaller than int*. Check if your compiler needs a flag to make it 64 bit.])])
450 # Check that SIGUSR1 is defined
452 AC_MSG_CHECKING([for SIGUSR1])
453 AC_TRY_COMPILE([#include <signal.h>],[int i=SIGUSR1;],[
455 AC_DEFINE(HAVE_SIGUSR1,,[SIGUSR1 supported and defined])
456 ],AC_MSG_RESULT([no]))
459 # Check if pipes are supported
461 AC_MSG_CHECKING([for pipes])
462 AC_TRY_COMPILE([#include <stdio.h>],[
463 FILE *pipe=popen("/tmp/pipe","r");
466 AC_DEFINE(HAVE_PIPES,,[Pipes (popen/pclose) supported])
467 ],AC_MSG_RESULT([no]))
472 # Check floating-point format and endian
484 # Use our own version of AC_FUNC_FSEEKO from autoconf 2.63 instead
485 # of the broken one we might get from autoconf 2.61.
486 ACX_FUNC_FSEEKO_FIXED
491 ############################################################################
492 # Checks for libraries.
493 ############################################################################
495 # Don't add math library for intel compilers
496 if $CC -V 2>&1 | grep 'Intel Corporation' > /dev/null 2>&1; then
497 AC_MSG_NOTICE([Using built-in math library with intel compiler])
499 AC_CHECK_LIB(m,sqrt,,AC_MSG_ERROR([No math library found]))
503 # Disable MASS support for now.
509 if test "$enable_float" = "yes"; then
514 ACX_CHECK_FFTW2(fftw,$sizeof_real)
515 ACX_CHECK_FFTW2(rfftw,$sizeof_real)
517 case ${ac_fftw_savedprefix} in
518 d) AC_DEFINE(FFTW2_NAME_DFFTW,,[Use the d prefix on fftw2 includes]) ;;
519 s) AC_DEFINE(FFTW2_NAME_SFFTW,,[Use the s prefix on fftw2 includes]) ;;
520 *) AC_DEFINE(FFTW2_NAME_FFTW,,[Dont use any prefix on fftw2 includes]) ;;
523 AC_DEFINE(GMX_FFT_FFTW2,,[Use FFTW2 FFT library])
525 ;; # end of fftw2 check
527 fftw3) # Much simpler check than fftw2
528 # Check for header <fftw3.h> AC_CHECK_HEADERS doesnt work, since we must
529 # use mpicc to get includes - cpp isnt always the same compiler.
530 AC_MSG_CHECKING([for fftw3.h])
531 AC_TRY_COMPILE([#include<fftw3.h>],,[
532 # ok, look for library file too
534 if test "$enable_float" = "yes"; then
535 AC_CHECK_LIB([fftw3f],main,,AC_MSG_ERROR([Cannot find fftw3f library]))
537 AC_CHECK_LIB([fftw3],main,,AC_MSG_ERROR([Cannot find fftw3 library]))
539 AC_DEFINE(GMX_FFT_FFTW3,,[Use FFTW3 FFT library])
541 # not ok, echo a warning
543 [Cannot find the default external FFT library (fftw3).
544 Other alternatives are 'fftw2', or 'mkl' for Intel MKL.
545 You are STRONGLY recommended to use one of these - fftw is free.
547 Use CPPFLAGS and LDFLAGS if the library is installed in a
548 non-standard location. (see FAQ at http://www.gromacs.org)
550 If you dont care about performance you can also specify 'fftpack'
551 to use a slower set of FFTs built into Gromacs.
552 (Just install FFTW3 unless you really know what you are doing).
559 # Intel Math Kernel Library version 6 and later.
561 AC_MSG_CHECKING([for mkl_dfti.h])
562 AC_TRY_COMPILE([#include<mkl_dfti.h>],,AC_MSG_RESULT(yes),AC_MSG_ERROR([Cannot find mkl_dfti.h header from Intel Math Kernel Library>=6.0.]\
565 # AC_CHECK_LIB([guide],main,,AC_MSG_ERROR([Cannot find libguide (Intel MKL)]))
566 # AC_CHECK_LIB([mkl],DftiComputeForward,,
567 # AC_MSG_ERROR([Cannot find Intel Math Kernel Library >= 6.0]))
568 # first check for older MKLs
569 AC_CHECK_LIB([mkl],DftiComputeForward,,[have_mkl="no"])
570 if test "$have_mkl" == "no"; then
571 # we assume it's a new MKL
572 LIBS="$LIBS -liomp5 -lmkl_sequential -lmkl_core"
573 AC_CHECK_LIB([mkl_intel_lp64],DftiComputeForward,,[have_mkl10_64="no"])
574 if test "$have_mkl10_64" == "no"; then
575 AC_CHECK_LIB([mkl_intel],DftiComputeForward,,[have_mkl10_32="no"])
576 if test "$have_mkl10_32" == "no"; then
577 AC_MSG_ERROR([Cannot find Intel Math Kernel Library >= 6.0])
581 AC_DEFINE(GMX_FFT_MKL,,[Use Intel MKL FFT library])
585 AC_MSG_WARN([The built-in FFTPACK routines are slow.
586 Are you sure you don't want to use FFTW? It is free and much faster...])
587 AC_DEFINE(GMX_FFT_FFTPACK,,[Use Built-in FFTPACK FFT library])
590 AC_MSG_ERROR([Unknown FFT library])
595 if test "$enable_fftw_measure" != "yes"; then
596 AC_DEFINE(GMX_DISABLE_FFTW_MEASURE,,[Do not optimize FFTW setups (not needed with SSE FFT kernels)])
600 # check for xtc headers
602 cygwin* | mingw*) # use our own xdr stuff for cygwin/mingw
605 AC_CHECK_HEADERS([rpc/rpc.h])
606 AC_CHECK_HEADERS([rpc/xdr.h],,,
608 # include <rpc/rpc.h>
611 AC_CHECK_LIB(nsl,xdr_float)
616 #error NO rpc.h header
621 #error No xdr.h header
623 ],[ XDR *xd; float f; xdr_float(xd,&f);],[have_xdr="yes"])
625 if test "$have_xdr" != "yes"; then
626 AC_DEFINE(GMX_INTERNAL_XDR,,[Use our own instead of system XDR libraries])
627 AC_MSG_WARN([Couldn't find XDR headers and/or libraries - using our own])
633 ########################################################################
634 # Checks for header files and types
635 ########################################################################
637 AC_CHECK_HEADERS([limits.h unistd.h],,AC_MSG_ERROR([Include headers not found]))
638 AC_CHECK_HEADERS(unistd.h)
639 AC_CHECK_HEADERS(sys/types.h)
640 AC_CHECK_HEADERS(sys/time.h)
641 AC_CHECK_HEADERS(regex.h,,[AC_MSG_WARN(
643 Regular expression matching in selections will be disabled.
644 Selections still work, but the default groups can differ from
645 those obtained with regular expressions enabled.
646 Consider installing the regular expression library from GNU libc.])])
649 # Checks for additional and/or optional functions or libraries.
656 AC_CHECK_FUNCS(strcasecmp)
657 AC_CHECK_FUNCS(strdup)
658 AC_CHECK_FUNCS(gettimeofday)
659 AC_CHECK_FUNCS(isnan)
660 AC_CHECK_FUNCS(_isnan)
662 # check for bool (must come late, since CFLAGS/includes might affect it)
663 AC_CHECK_TYPES([bool])
670 # Check integer sizes, set to zero if e.g. long long is not supported.
671 # (Note: this must come *after* type checks for the corresponding types!)
674 AC_CHECK_SIZEOF(long int)
675 AC_CHECK_SIZEOF(long long int)
676 AC_CHECK_SIZEOF(off_t)
677 AC_CHECK_SIZEOF(void*)
681 # Apple OS X is a bit strange/braindead in that it always reports itself as i386, both for
682 # 32 and 64 bit builds (even with the 64 bit kernel!).
684 # To get the SSE support right we check for the size of void * that we detected above...
685 case "${host_vendor}-${host_os}" in
687 if test $ac_cv_sizeof_voidp = 8; then
690 enable_x86_64_sse=no;
702 if test "$no_x" != "yes"; then
703 LIBS="$X_LIBS $LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
704 INCLUDES="$INCLUDES $X_CFLAGS"
705 AM_CONDITIONAL(USE_X11,true)
707 AM_CONDITIONAL(USE_X11,false)
710 # GNU Scientific Library or not
712 [ --with-gsl Link to the GNU scientific library, enables extra functions in analysis],,with_gsl=no)
715 if test "$with_gsl" = "yes"; then
716 ac_save_LDFLAGS="$LDFLAGS"
717 AC_CHECK_HEADERS([gsl/gsl_version.h],[
718 # header found, check for libraries
719 AC_CHECK_LIB(gslcblas,main,[
720 LDFLAGS="$ac_save_LDFLAGS -lgslcblas"
721 # gslcblas library found, check main lib
722 AC_CHECK_LIB(gsl,main)])])
728 [ --without-xml do not link to the xml2 library, disallows the use of certain file formats],,with_xml=yes)
731 # Check for libxml2, but it is optional, so dont stop
733 if test "$with_xml" = "yes"; then
734 ac_save_CPPFLAGS="$CPPFLAGS"
735 CPPFLAGS="$ac_save_CPPFLAGS -I/usr/include/libxml2"
736 AC_CHECK_HEADERS([libxml/parser.h],AC_CHECK_LIB(xml2,main))
737 if test "$ac_cv_lib_xml2_main" = "yes"; then
738 INCLUDES="$INCLUDES -I/usr/include/libxml2"
741 CPPFLAGS="$ac_save_CPPFLAGS"
745 # And collect the f77 libs to the linker - on Solaris, f77 stuff must go first,
746 # and we need -L/usr/ucblib to find libucb... (stupid OS)
747 # On e.g. ibm the mass libraries must come before -lm...
748 case "${host_cpu}-${host_os}" in
751 LDFLAGS="$LDFLAGS -L/usr/ucblib"
753 *) LIBS="$LIBS $FLIBS" ;;
757 # add the Accelerate framework if enabled above.
758 # LDFLAGS might have been set in the CPU optimization, so we cant assign it directly before that.
759 LDFLAGS="$LDFLAGS $extra_LDFLAGS"
767 # Checks for typedefs, structures, and compiler characteristics.
773 # AC_TYPE_UID_T is broken on Mac OS X, so use generic tests instead
774 AC_CHECK_TYPES([uid_t],[],[AC_DEFINE(uid_t, int, [Define to `int' if <sys/types.h> doesn't define.])],[[#include <sys/types.h>]])
775 AC_CHECK_TYPES([gid_t],[],[AC_DEFINE(gid_t, int, [Define to `int' if <sys/types.h> doesn't define.])],[[#include <sys/types.h>]])
779 # Test stuff for ia32 and x86_64 assembly, and add objects/libraries.
780 if test "$enable_ia32_sse" = "yes" -o "$enable_x86_64_sse" = "yes"; then
781 AC_MSG_CHECKING([whether your compiler can handle assembly files (*.s)])
783 # Use 64-bit registers (rsp/rbp) on x86_64
785 if test "$enable_x86_64_sse" = "yes"; then
786 cat > conftestasm.s << EOF
792 cat > conftestasm.s << EOF
798 if AC_TRY_COMMAND($CC $CFLAGS -c conftestasm.s); then
799 if test -f conftestasm.o; then
803 AC_MSG_ERROR([Upgrade your compiler (or disable assembly loops).])
807 AC_MSG_ERROR([Upgrade your compiler (or disable assembly loops).])
810 # ok, cc understands assembly.
812 # If we are using double precision we need SSE2
813 if test "$enable_float" = "no"; then
815 if test "$enable_ia32_sse" = "yes"; then
816 AC_MSG_CHECKING([whether as fully supports ia32 SSE2])
817 cat > conftest.s << EOF
820 movapd 32(%esi,%edx,8),%xmm4
824 if AC_TRY_COMMAND($CC $CFLAGS -c conftest.s); then
828 AC_MSG_ERROR([Upgrade to a more recent binutils (or disable assembly loops).])
830 AC_DEFINE([GMX_IA32_SSE2],,[Double-precision SSE2 instructions on ia32])
832 # test SSE2 on X86_64:
833 if test "$enable_x86_64_sse" = "yes"; then
834 AC_MSG_CHECKING([whether as fully supports X86_64 SSE2])
835 cat > conftest.s << EOF
838 movapd 32(%rsi,%rdx,8),%xmm4
842 if AC_TRY_COMMAND($CC $CFLAGS -c conftest.s); then
846 AC_MSG_ERROR([Upgrade to a more recent binutils (or disable assembly loops).])
848 AC_DEFINE([GMX_X86_64_SSE2],,[Double-precision SSE2 instructions on X86_64])
851 # end of double precision testing, now do single.
852 if test "$enable_ia32_sse" = "yes"; then
853 AC_MSG_CHECKING([whether as fully supports ia32 SSE])
854 cat > conftest.s << EOF
857 movaps 32(%esi,%edx,8),%xmm4
861 if AC_TRY_COMMAND($CC $CFLAGS -c conftest.s); then
865 AC_MSG_ERROR([Upgrade to a more recent binutils (or disable assembly loops).])
867 AC_DEFINE([GMX_IA32_SSE],,[Single-precision SSE instructions on ia32])
869 # test SSE2 on X86_64:
870 if test "$enable_x86_64_sse" = "yes"; then
871 AC_MSG_CHECKING([whether as fully supports X86_64 SSE instructions])
872 cat > conftest.s << EOF
875 movaps 32(%rsi,%rdx,8),%xmm4
879 if AC_TRY_COMMAND($CC $CFLAGS -c conftest.s); then
883 AC_MSG_ERROR([Upgrade to a more recent binutils (or disable assembly loops).])
885 AC_DEFINE([GMX_X86_64_SSE],,[Single-precision SSE instructions on X86_64])
891 # Test stuff for ia64 assembly
893 # Nothing to test right now.
899 # Test altivec support.
901 if test "$enable_ppc_altivec" = "yes"; then
902 if test "$enable_float" = "no"; then
903 AC_MSG_WARN([PowerPC Altivec loops can only be used in single precision - disabling])
904 enable_ppc_altivec=no
906 # On FSF (vanilla) GCC we must include altivec.h, and on apple we
907 # should NOT do it after using -faltivec. Go figure...
910 # do nothing on Apple systems
913 AC_CHECK_HEADERS([altivec.h])
917 AC_MSG_CHECKING([whether the compiler supports altivec extensions])
924 AC_DEFINE([GMX_PPC_ALTIVEC],,[Use PowerPC Altivec inner loops])],[
926 AC_MSG_WARN([no altivec support found - On recent PowerPC CPUs]
927 [you can get a huge performance gain by using an altivec-enabled compiler.]
928 [On OS X, you need GCC>=3.3, or the IBM compilers. If you are using standard]
929 [GCC, you need at least version 4.0])
930 enable_ppc_altivec=no])
934 if test "$enable_ia64_asm" = "yes"; then
935 AC_DEFINE(GMX_IA64_ASM,,[Use ia64 assembly tuned for Itanium2])
936 AC_DEFINE(DISABLE_WATER_NLIST,,[Turn off all water neighborlist optimization])
937 AC_DEFINE(DISABLE_WATERWATER_NLIST,,[Turn off water-water neighborlist optimization only])
940 if test "$enable_bluegene" = "yes"; then
941 AC_DEFINE(GMX_BLUEGENE,,[Use assembly intrinsics kernels for BlueGene])
945 # Add the appropriate assembly loops
947 AM_CONDITIONAL([GMX_IA32_SSE],[test "$enable_ia32_sse" = "yes" -a "$enable_float" = "yes"])
948 AM_CONDITIONAL([GMX_IA32_SSE2],[test "$enable_ia32_sse" = "yes" -a "$enable_float" = "no"])
949 AM_CONDITIONAL([GMX_X86_64_SSE],[test "$enable_x86_64_sse" = "yes" -a "$enable_float" = "yes"])
950 AM_CONDITIONAL([GMX_X86_64_SSE2],[test "$enable_x86_64_sse" = "yes" -a "$enable_float" = "no"])
951 AM_CONDITIONAL([GMX_FORTRAN],[test "$enable_fortran" = "yes"])
952 AM_CONDITIONAL([GMX_PPC_ALTIVEC],[test "$enable_ppc_altivec" = "yes" -a "$enable_float" = "yes"])
953 AM_CONDITIONAL([GMX_IA64_ASM],[test "$enable_ia64_asm" = "yes"])
954 AM_CONDITIONAL([GMX_BLUEGENE],[test "$enable_bluegene" = "yes"])
955 AM_CONDITIONAL([GMX_POWER6],[test "$enable_power6" = "yes"])
959 # Check integer endian
961 AC_C_BIGENDIAN([AC_DEFINE([GMX_INTEGER_BIG_ENDIAN],,[Integer byte order is big endian.])],[],[
962 AC_MSG_ERROR([Cannot determine endian in compiled output])])
963 # Little endian implied if GMX_INTEGER_BIG_ENDIAN not defined in source.
967 case "${host_cpu}" in
969 # Check if inline assembly works
970 AC_MSG_CHECKING(if the compiler supports gcc inline assembly)
971 AC_TRY_LINK([],[float f;int i; asm("fld %1\nfistpl %0\n" : "=m" (*&i) : "f" (f));],[AC_MSG_RESULT(yes)
972 AC_DEFINE(GMX_X86_GCC_INLINE_ASM,,[Enable x86 gcc inline assembly])],[AC_MSG_RESULT(no)])
973 # Check for MSVC inline assembly
974 AC_MSG_CHECKING(if the compiler supports MSVC inline assembly)
975 AC_TRY_LINK([],[float f;int i; _asm { fld f } ; _asm { fistpl i };],[AC_MSG_RESULT(yes)
976 AC_DEFINE(GMX_X86_MSVC_INLINE_ASM,,[Enable x86 MSVC inline assembly])],[AC_MSG_RESULT(no)])
985 if test "$with_dlopen" = "yes"; then
986 AC_MSG_CHECKING(if dlopen supported)
988 CFLAGS="-I$srcdir/include -DGMX_DLOPEN $CFLAGS"
989 AC_TRY_LINK([#include "$srcdir/src/gmxlib/vmddlopen.c"],,[AC_MSG_RESULT([yes])\
990 AC_DEFINE(GMX_DLOPEN,,[Compile with dlopen])],AC_MSG_RESULT([no]))
997 ########################################################################
999 ########################################################################
1003 AC_SUBST(INCLUDES) # should be automatic, but doesnt seem to be?
1005 # To tell libraries apart, we use four versions of the name. For instance, libgmx:
1006 # libgmx single prec, no mpi.
1007 # libgmx_d double prec, no mpi.
1008 # libgmx_mpi single prec, mpi.
1009 # libgmx_mpi_d double prec, mpi.
1010 # However, the non-suffixed names are linked to the _mpi and/or _d suffixed
1011 # ones upon installation if that is the only version available.
1013 if test "$enable_mpi" = "yes"; then
1016 if test "$enable_float" = "no"; then
1017 LIBSUFFIX="${LIBSUFFIX}_d"
1021 # Unless the user has explicitly requested a prefix/suffix/transform, we
1022 # use _d on double precision files. Don't add anything for mpi, but at the
1023 # end we tell the user it is possible and smart to do in some cases!
1024 if test "$program_transform_name" = "s,x,x,"; then
1025 name_transform_provided=no;
1026 if test "$enable_float" = "no"; then
1027 program_transform_name="s,\$\$,_d,"
1030 name_transform_provided=yes;
1034 # Use a variable for RPM - this way it can be
1035 # overridden with make RPM=rpm3 rpm
1039 if test "$enable_fahcore" = "yes"; then
1040 CPPFLAGS="$CPPFLAGS -I\$(top_srcdir)/../corewrap -include swindirect.h -DFULLINDIRECT -DUSE_FAH_XDR"
1041 if test "$enable_mpi" = "yes"; then
1042 CFLAGS="$CFLAGS -DMPI"
1045 AM_CONDITIONAL([GMX_FAHCORE],[test "$enable_fahcore" = "yes"])
1048 if test "$enable_all_static" = "yes"; then
1049 LDFLAGS="$LDFLAGS -all-static"
1052 # we have asm source, so this is necessary for automake 1.6
1059 AC_CONFIG_FILES([ Makefile ])
1060 AC_CONFIG_FILES([ src/Makefile ])
1061 AC_CONFIG_FILES([ src/gmxlib/Makefile ])
1062 AC_CONFIG_FILES([ src/gmxlib/gmx_blas/Makefile ])
1063 AC_CONFIG_FILES([ src/gmxlib/gmx_lapack/Makefile ])
1064 AC_CONFIG_FILES([ src/gmxlib/selection/Makefile ])
1065 AC_CONFIG_FILES([ src/gmxlib/statistics/Makefile ])
1066 AC_CONFIG_FILES([ src/gmxlib/trajana/Makefile ])
1067 AC_CONFIG_FILES([ src/gmxlib/thread_mpi/Makefile ])
1068 AC_CONFIG_FILES([ src/gmxlib/nonbonded/Makefile ])
1069 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_c/Makefile ])
1070 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_ia32_sse/Makefile ])
1071 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_ia32_sse2/Makefile ])
1072 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_x86_64_sse/Makefile ])
1073 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_x86_64_sse2/Makefile ])
1074 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_ppc_altivec/Makefile ])
1075 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_ia64_single/Makefile ])
1076 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_ia64_double/Makefile ])
1077 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_bluegene/Makefile ])
1078 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_power6/Makefile ])
1079 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_f77_single/Makefile ])
1080 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_f77_double/Makefile ])
1081 AC_CONFIG_FILES([ include/Makefile ])
1082 AC_CONFIG_FILES([ include/types/Makefile ])
1083 AC_CONFIG_FILES([ include/thread_mpi/Makefile ])
1084 AC_CONFIG_FILES([ include/thread_mpi/atomic/Makefile ])
1085 AC_CONFIG_FILES([ src/mdlib/Makefile ])
1086 AC_CONFIG_FILES([ src/kernel/Makefile ])
1087 AC_CONFIG_FILES([ src/tools/Makefile ])
1088 AC_CONFIG_FILES([ src/ngmx/Makefile ])
1089 AC_CONFIG_FILES([ src/contrib/Makefile ])
1090 AC_CONFIG_FILES([ scripts/Makefile ])
1091 AC_CONFIG_FILES([ admin/Makefile ])
1092 AC_CONFIG_FILES([ share/Makefile ])
1093 AC_CONFIG_FILES([ share/tutor/Makefile ])
1094 AC_CONFIG_FILES([ share/tutor/gmxdemo/Makefile ])
1095 AC_CONFIG_FILES([ share/tutor/nmr1/Makefile ])
1096 AC_CONFIG_FILES([ share/tutor/nmr2/Makefile ])
1097 AC_CONFIG_FILES([ share/tutor/water/Makefile ])
1098 AC_CONFIG_FILES([ share/tutor/mixed/Makefile ])
1099 AC_CONFIG_FILES([ share/tutor/methanol/Makefile ])
1100 AC_CONFIG_FILES([ share/tutor/speptide/Makefile ])
1101 AC_CONFIG_FILES([ share/template/Makefile ])
1102 AC_CONFIG_FILES([ share/top/Makefile ])
1103 AC_CONFIG_FILES([ share/html/Makefile ])
1104 AC_CONFIG_FILES([ share/html/images/Makefile ])
1105 AC_CONFIG_FILES([ share/html/online/Makefile ])
1106 AC_CONFIG_FILES([ man/Makefile man/man1/Makefile man/man7/Makefile ])
1107 AC_CONFIG_FILES([ Doxyfile ])
1116 #########################################################
1117 # Echo some important info, to avoid stupid mistakes
1120 if test "$enable_float" = "no" -a "$name_transform_provided" = "no"; then
1122 echo "* You are compiling a double precision version of Gromacs -"
1123 echo " program names will be suffixed with _d to avoid overwriting single"
1124 echo " precision files. You can override it with --program-suffix"
1127 if test "$name_transform_provided" = "no" -a "$enable_mpi" = "yes"; then
1129 echo "* Seems you are compiling with MPI support. You can install the MPI-"
1130 echo " enabled programs with suffixed names to have both MPI and non-MPI"
1131 echo " versions. This is useful e.g. on supercomputers where you usually"
1132 echo " cannot run MPI-linked programs on the login node."
1133 echo " Set a suffix with e.g. --program-suffix=_mpi (or _mpi_d for double)."
1134 echo " You only need MPI for mdrun, so if you already have non-MPI stuff"
1135 echo " installed you can issue make mdrun; make install-mdrun."
1138 if test "$enable_shared" = "no"; then
1140 echo "* On most platforms you can save 10X space with dynamic libraries, although"
1141 echo " the binaries might be less portable. Why not try --enable-shared ?"